<template>
  <!-- 表单 -->
<el-form :model="userForm" :rules="userFormRules" ref="userFormRef" label-width="100px">
  <el-form-item label="登录名称" prop="username">
    <el-input v-model="userForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="用户昵称" prop="nickname">
    <el-input v-model="userForm.nickname" minlength="1" maxlength="10"></el-input>
  </el-form-item>
  <el-form-item label="用户邮箱" prop="email">
    <el-input v-model="userForm.email"></el-input>
  </el-form-item>
  <el-form-item>
    <el-button type="primary" @click="submit">提交修改</el-button>
    <el-button @click="resetForm">重置</el-button>
  </el-form-item>
</el-form>
</template>

<script>
export default {
  name: 'UserInfo',
  data () {
    return {
      // 基于浅拷贝，把 Vuex 中的用户信息对象复制一份，交给 userForm
      userForm: Object.assign({}, this.$store.state.userInfo),
      // 表单的验证规则对象
      userFormRules: {
        nickname: [
          { required: true, message: '请输入用户昵称', trigger: 'blur' },
          { pattern: /^\S{1,10}$/, message: '昵称必须是1-10位的非空字符串', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { type: 'email', message: '邮箱格式不正确', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 重置表单的数据
    resetForm () {
      this.$refs.userFormRef.resetFields()
    },
    // 更新用户的基本信息
    submit () {
      // 1. 验证表单的合法性
      this.$refs.userFormRef.validate(async valid => {
        // 2. 验证失败
        if (!valid) return
        // 3. 验证通过，发起请求
        const { data: res } = await this.$http.put('/my/userinfo', this.userForm)
        if (res.code !== 0) return this.$message.error('更新用户信息失败！')
        // 4. 更新用户信息成功，刷新 Vuex 中的数据
        this.$message.success('更新用户信息成功！')
        this.$store.dispatch('initUserInfo')
      })
    }
  }
}
</script>

<style>

</style>
